Home / 30,009.80-41,413.95-16,581.35

Finding the Fourth Proportional to 30,009.80, 41,413.95 and 16,581.35

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Solution

The fourth proportional to 30,009.80, 41,413.95 and 16,581.35 is: 22,882.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.80 : 41,413.95 = 16,581.35 : x
  2. Step 2: Convert to fraction form
    30,009.80/41,413.95 = 16,581.35/x
  3. Step 3: Cross multiply
    30,009.80x = 41,413.95 × 16,581.35
  4. Step 4: Simplify right side
    30,009.80x = 686,699,199.83
  5. Step 5: Solve for x
    x = 686,699,199.83/30,009.80
  6. Step 6: Final answer
    x = 22,882.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.